02/04/23

A metallurgist has one alloy containing 43% aluminum and another containing 63% aluminum. How many pounds of each alloy must he use to make 43 pounds of a third alloy containing 49% aluminum?

A metallurgist has one alloy containing 43%aluminum and another containing 63% aluminum. How many pounds of each alloy must he use to make 43pounds of a third alloy containing 49% aluminum? 
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02/04/23

invested and interest
$13,138 is invested, part at 9% and the rest at 7% If the interest earned from the amount invested at 9% exceeds the interest earned from the amount invested at 7% by $537.46, how much is invested... more
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02/04/23

find the derivative

y=(x+2)(x-1)(x^2+8)
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02/04/23

WORD PROBLEM HELP
You are skiing down a mountain with a vertical height of 1150 feet. The distance from the top of the mountain to the base is 2300 feet. What is the angle of elevation from the base to the top of... more
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02/04/23

Construct an appropriate triangle to find the missing values. (0° ≤ 𝜃 ≤ 90°, 0 ≤ 𝜃 ≤ 𝜋/2)
Construct an appropriate triangle to find the missing values. (0° ≤ 𝜃 ≤ 90°, 0 ≤ 𝜃 ≤ 𝜋/2)function tan𝜃 (deg) 30°𝜃(rad): ________funtion value: __________
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02/03/23

members of the city cutrual
The members of the city cultural center have decided to put on a play once a night for a week. Their auditorium holds 500 people. By selling​ tickets, the members would like to raise ​$3,350 every... more
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02/03/23

i need help please
Commissions LaTanya sells business suits and gets a 4% commission on her sales. Last week, she received a paycheck that included $196 in commissions. Solve the formula  for s, where C is the amount... more
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02/03/23

i need help please
Commissions LaTanya sells business suits and gets a 4% commission on her sales. Last week, she received a paycheck that included $196 in commissions. Solve the formula  for s, where C is the amount... more
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02/03/23

A line passes through points (−3, 1) and (2, −3). What is the slope of the line parallel to the graph?
A line passes through points (−3, 1) and (2, −3)(2, −3). What is the slope of the line parallel to the graph?
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02/03/23

conditional probabilities
n a large population, 64 % of the people have been vaccinated. If 3 people are randomly selected, what is the probability that AT LEAST ONE of them has been vaccinated?
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02/03/23

1/4(2x +1.2)= 3(0.7x + 30 -5 1/2
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02/03/23

For a standard normal distribution, find:
P(z < c) = 0.7522Find c rounded to two decimal places.
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02/03/23

Find the missing value so that the line containing the two points will have the required slope.

Find the missing value so that the line containing the two points will have the required slope.(-12, 4) and (-17, y); m = Group of answer choices
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02/03/23

Find the probability of the following
The probability that a married man watches a certain television show is 1/2 and the probability that a married woman watches the show is 2/5. The probability that a man watches the show, given that... more
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02/03/23

Multiple-choice test probability
A multiple-choice test has 4 choices, one of which is a correct answer. If a student just guesses the answer, what is the probability that he has exactly 1 correct answer in 3 successive unrelated... more
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02/03/23

Find the probability
The probability that a patient recovers from a delicate heart operation is 0.9. What is the probability that exactly 2 of the next 4 unrelated patients who have this operation will not recover?
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02/03/23

Probability Question
A shipment of 20 units of desktop computers contains 5 defective units. If 3 units are delivered in Manila at random, what is the probability that these 3 delivered units are defective?
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02/03/23

Flipping a biased coin
A bias coin is flipped four times. If the probability of ‘tails’ occurring is twice the probability of ‘heads’ occurring, find the probability that 3 ‘heads’ occur.
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02/03/23

Persevere with Problems
Persevere with Problems A barge on the Mississippi River travels 40 miles upstream (against the current) in 5 hours. The return trip downstream (with the current) takes the barge only 4 hours. Use... more
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02/03/23

A number divided by eight minus five is less than or equal to negative seven
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02/03/23

Double a number, added to 9, is not equal to 25
Solve step by step
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02/03/23

Write an equation in slope-intercept form of the line that passes through the given points(0,-2)(3,1).
Write an equation in slope-intercept form of the line that passes through the given points(0,-2)(3,1).
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02/03/23

I need help! ............................................
nine more than the quotient of a number b and 35 is greater than 7
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02/02/23

How can I solve the problem

Bob does not have the marbles to count with or a pen to write with how can he solve the operation
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02/02/23

Functions of Operations
KEYf(x)=2x+1g(x)=3x+4h(x)=3x^2k(x)=x^2-4x1) (h of f)(3)looked up answer: 1472) (g of f)(-4)looked up answer: -17I wanna know step by step please
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